Sharp, D. E. (1930). Franciscan philosophy at Oxford in the thirteenth century. Oxford University Press.
芝加哥风格引文Sharp, Dorothea Elizabeth. Franciscan Philosophy at Oxford in the Thirteenth Century. London: Oxford University Press, 1930.
MLA引文Sharp, Dorothea Elizabeth. Franciscan Philosophy at Oxford in the Thirteenth Century. Oxford University Press, 1930.
警告：这些引文格式不一定是100％准确.